Computer Simulation of The Inducing Effects on the Phase Morphology of PS-b- PMMA Copolymers

DOI

10.2991/iccasm.2012.184How to use a DOI?

Keywords

Inducing effect, PS-b-PMMA copolymer, phase morphology

Abstract

The phase morphologies of three groups of designed polystyrene-block-poly(methyl methacrylate) (PS-b-PMMA) copolymers were studied at 383, 413 and 443 K by mesoscopic simulations. Eighteen patterned surfaces of four series were designed and designated as “ci”, “co”, “gra” and “rg” to study their influence on changing the microscopic phase morphology of copolymers. The degree of phase separation depended on the structures of copolymers, the topography of surfaces and the simulation temperatures. When the triblock copolymer with surfaces induced was composed of the same component at both ends and had larger PS segment percentage, it would present higher values of order parameter, that was, “ABA” showed the highest, “AB” the second high and “BAB” the last, the values of order parameter of the long chains were higher than those of the short ones, except the situation with co-4432 and co-8832 surfaces induced. However, the co-4432 and co-8832 surfaces performed the most intensive extent of inducing effect on changing the phase morphology of PS-b-PMMA copolymers. Temperature was a less effective influencing factor, compared with the others; but it was an important role in the extent of changing the phase morphology.

Copyright

© 2012, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jianquan Li
AU  - Dan Mu
PY  - 2012/08
DA  - 2012/08
TI  - Computer Simulation of The Inducing Effects on the Phase Morphology of PS-b- PMMA Copolymers
BT  - Proceedings of the 2012 International Conference on Computer Application and System Modeling (ICCASM 2012)
PB  - Atlantis Press
SP  - 726
EP  - 730
SN  - 1951-6851
UR  - https://doi.org/10.2991/iccasm.2012.184
DO  - 10.2991/iccasm.2012.184
ID  - Li2012/08
ER  -